30133023140 has 96 divisors (see below), whose sum is σ = 70757318016. Its totient is φ = 10684477440.

The previous prime is 30133023139. The next prime is 30133023157. The reversal of 30133023140 is 4132033103.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6364214 + ... + 6368946.

It is an arithmetic number, because the mean of its divisors is an integer number (737055396).

Almost surely, 2^30133023140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30133023140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35378659008).

30133023140 is an abundant number, since it is smaller than the sum of its proper divisors (40624294876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30133023140 is a wasteful number, since it uses less digits than its factorization.

30133023140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469 (or 5467 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30133023140 its reverse (4132033103), we get a palindrome (34265056243).

The spelling of 30133023140 in words is "thirty billion, one hundred thirty-three million, twenty-three thousand, one hundred forty".